.about_t100 {
    border-top: 1px dotted #000;
    border-bottom: 1px dotted #000;
    margin-top: 20px;
    margin-bottom: 20px;
}

.poin {
    position: relative;
    display: block;
    top: -1px;
    left: -21px;
    width: 10px;
    height: 10px;
    color: #fff;
    background: #000;
    border-radius: 50%;
}

.know_t100 {
    border-left: 2px solid #000;
}

.partner {
    padding-top: 10px;
    padding-bottom: 10px;
}

    .partner img {
        float: left;
        width: 165px;
        height: 100px;
        margin-right: 20px;
    }

.partnerTxt {
}